Is the directions right???
 (at the UPS)
 (at the UPS)
9 PIN D-SUB ??? at the UPS.
| Pin | Description | 
|---|---|
| 1 | Unused | 
| 2 | Battery power | 
| 3 | Unused | 
| 4 | Common (same as 7) | 
| 5 | Low battery | 
| 6 | RS-232 level shutdown | 
| 7 | Common (same as 4) | 
| 8 | Ground level shutdown (A500 and above, reserved on <A500) | 
| 9 | Reserved | 
Pins 2 and 5 are connected to Common when they are true.
On pin 6, an rs-232 high level (>9V) will shutdown, when
running off the battery.
On pin 8, shorting to ground will shutdown.
| Contributor: | Joakim Ögren | 
| Source: | Tommy's pinout Collection by Tommy Johnson | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10